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313230111123 = 33133794723
BaseRepresentation
bin1001000111011011111…
…10000011000110010011
31002221111112201022022210
410203231332003012103
520112443402023443
6355521304203203
731426064005026
oct4435576030623
91087445638283
10313230111123
11110927260636
1250858169503
13236caa9b327
141123628b1bd
158233e16c33
hex48edf83193

313230111123 has 32 divisors (see below), whose sum is σ = 443229509632. Its totient is φ = 196620138720.

The previous prime is 313230111107. The next prime is 313230111157. The reversal of 313230111123 is 321111032313.

It is a happy number.

It is not a de Polignac number, because 313230111123 - 24 = 313230111107 is a prime.

It is a super-2 number, since 2×3132301111232 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313230111123.

It is not an unprimeable number, because it can be changed into a prime (313230113123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3259440 + ... + 3354162.

It is an arithmetic number, because the mean of its divisors is an integer number (13850922176).

Almost surely, 2313230111123 is an apocalyptic number.

313230111123 is a deficient number, since it is larger than the sum of its proper divisors (129999398509).

313230111123 is an frugal number, since it uses more digits than its factorization.

313230111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94856 (or 94794 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 313230111123 its reverse (321111032313), we get a palindrome (634341143436).

The spelling of 313230111123 in words is "three hundred thirteen billion, two hundred thirty million, one hundred eleven thousand, one hundred twenty-three".

Divisors: 1 3 31 37 93 111 961 1147 2883 3441 29791 35557 89373 94723 106671 284169 1102267 2936413 3306801 3504751 8809239 10514253 91028803 108647281 273086409 325941843 2821892893 3368065711 8465678679 10104197133 104410037041 313230111123